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/// \file B1/include/EventAction.hh
/// \brief Definition of the B1::EventAction class

#ifndef B1EventAction_h
#    define B1EventAction_h 1
#    include "G4UserEventAction.hh"  //一般用户自定义的EventAction类继承于此
#    include "globals.hh"

class G4Event;

namespace B1
{

    class RunAction;

    /// Event action class

    class EventAction : public G4UserEventAction
    {
    public:
        EventAction(RunAction* runAction);
        ~EventAction() override = default;

        ///声明每个Event开始时将被调用的函数：BeginOfEventAction(const G4Event*)
        void BeginOfEventAction(const G4Event* event) override;
        ///声明每个Event结束时将被调用的函数：EndOfEventAction(const G4Eve
        void EndOfEventAction(const G4Event* event) override;

        /// example: 在每个Event中记录粒子沉积到材料中的能量 //在SteppingAction 中有说明
        ///从SteppingAction中获取每个Step沉积的能量，并累加至当前Event对应的fEdep
        void AddEdep(G4double edep) { _fEdep += edep; }
        inline int GetEvtID() const { return _evtID; }

    private:
        RunAction* _fRunAction = nullptr;
        G4double _fEdep = 0.;  //用于记录在每个Event中粒子沉积到材料中的能量，非必需
        int _evtID{};
    };

}  // namespace B1

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#endif
